421004404234 has 16 divisors (see below), whose sum is σ = 633939690816. Its totient is φ = 209691613600.

The previous prime is 421004404229. The next prime is 421004404253. The reversal of 421004404234 is 432404400124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840419 + ... + 2056489.

It is an arithmetic number, because the mean of its divisors is an integer number (39621230676).

Almost surely, 2^421004404234 is an apocalyptic number.

421004404234 is a deficient number, since it is larger than the sum of its proper divisors (212935286582).

421004404234 is a wasteful number, since it uses less digits than its factorization.

421004404234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219821.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 421004404234 its reverse (432404400124), we get a palindrome (853408804358).

The spelling of 421004404234 in words is "four hundred twenty-one billion, four million, four hundred four thousand, two hundred thirty-four".